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my original buffer tube was shorter, supporting an adjustable but stock. Do I need a longer spring to accommodate the longer tube? If so which one? — 1 Answer

by Martin, from OR, United States Asked on November 7, 2021

Name Luth-AR 308/223 Rifle Buttstock Extension Tube A2 (4.5)
$40.99 $29.99 Save 27%
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Answered by Ethan, Gear Expert, from IL, United States, on March 25, 2022

Yes. You will need to use an A2 compatible buffer spring in order for your rifle to function properly. You can purchase the spring by itself, or the spring and buffer combo. I will link my recommendations below:
https://www.opticsplanet.com/guntec-usa-ar-15-a2-buffer-spring-set.html
https://www.opticsplanet.com/guntec-usa-ar-10-lr-308-full-size-a2-rifle-buffer-spring-set.html

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